966956503 has 4 divisors (see below), whose sum is σ = 967697640. Its totient is φ = 966215368.

The previous prime is 966956491. The next prime is 966956561. The reversal of 966956503 is 305659669.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 966956503 - 2⁹ = 966955991 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966953503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368608 + ... + 371221.

It is an arithmetic number, because the mean of its divisors is an integer number (241924410).

Almost surely, 2^966956503 is an apocalyptic number.

966956503 is a deficient number, since it is larger than the sum of its proper divisors (741137).

966956503 is a wasteful number, since it uses less digits than its factorization.

966956503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741136.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The square root of 966956503 is about 31095.9242184567. The cubic root of 966956503 is about 988.8619044136.

The spelling of 966956503 in words is "nine hundred sixty-six million, nine hundred fifty-six thousand, five hundred three".